Dyfyniad APA

Karlman, M. (1984). Pathogens and other threats to Pinus contorta in Northern Sweden. Dept. of Ecological Botany, University of Umeå.

Dyfyniad Arddull Chicago

Karlman, Margareta. Pathogens and Other Threats to Pinus Contorta in Northern Sweden. Umeå: Dept. of Ecological Botany, University of Umeå, 1984.

Dyfyniad MLA

Karlman, Margareta. Pathogens and Other Threats to Pinus Contorta in Northern Sweden. Dept. of Ecological Botany, University of Umeå, 1984.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.